Littelfuse 209 User Manual

Axial Lead & Cartridge Fuses

2AG > Time Lag > 209 Series

209 Series Lead-Free 2AG, Slo-Blo® (Time-Lag) Fuse

Description

Littelfuse 209 Series (2AG) 350V, Time-Lag (Slo-Blo®) Fuses
are available in cartridge form or with axial leads. This
series provides the same performance characteristics as
its 3AG counterpart, while occupying one-third the space.
Sleeved fuses are available.

Features

PS

E

Agency Approvals

Agency Agency File Number Ampere Range

E10480 250mA - 7A

PS

E

NBK210405-E10480G/H
NBK210405-E10480C/D

NBK210405-E10480E/F

1A - 3.5A

4A - 5A
6A - 7A

250mA - 7A

Additional Information

Datasheet

Resources

Samples

Electrical Characteristic Specifications by Item

Amp

Code

Ampere

Rating

(A)

Voltage

Rating

(V)

Interrupting

Rating

• Inaccordance

• Availableincartridge

Applications

•ElectronicLightingBallasts

Electrical Characteristics for Series

Nominal Cold

Resistance

(Ohms)

with Underwriter’s
Laboratories Standard
UL 248-14

dimensions

• RoHScompliantand

Lead-free

and axial lead form and

with various forming

% of Ampere

Rating

100% 4 Hours, Min.

135% 1 Hour, Max.
200% 3 Sec. Min. ; 20 Sec. Max.

Nominal

Melting

2

t (A2 sec)

I

Opening Time

Agency Approvals

PS

E

.250 0.25 350
.375 0.375 350 1.170 0.580 x x
.500 0.5 350 0.688 1.160 x x
.600 0.6 350 0.477 1.750 x x
.750 0.75 350 0.340 2.950 x x
.800 0.8 350 0.304 3.450 x x

0 01. 1 350 0.210 5.640 x x x

1.25 1.25 350 0.1460 9.80 x x x

01. 5 1. 5 350 0.1077 15.0 x x x
002 2 350 0.0689 30.0 x x x

2.25 2.25 350 0.0567 39.0 x x x

02.5 2.5 350 0.0502 50.0 x x x
003 3 350 0.0383 77.0 x x x

03.5 3.5 350 0.0312 110 x x x
004 4 350 0.0258 148 x x x
005 5 350 0.0186 267 x x x
006 6 350 0.0141 380 x x x
007 7 350 0.0116 464 x x x

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13

100A @
350Vac

2.410 0.216 x x

Axial Lead & Cartridge Fuses

300

240

Temperature (°C) - Measured on bottom side of board

2AG > Time Lag > 209 Series

Temperature Rerating Curve

Average Time Current Curves

Soldering Parameters - Wave Soldering

280

260

240

220

200

180

160

140

120

100

80

60

40

20

0

0

102030405060708090

Time (Seconds)

Preheat Time

100

110

120

130

140

150

160

170

180

190

200

210

220

Dwell Time

Cooling Time

Recommended Process Parameters:

Wave Parameter Lead-Free Recommendation

Preheat:

(Depends on Flux Activation Temperature)

Temperature Minimum:
Temperature Maximum:

(Typical Industry Recommendation)

100

° C

150

° C

Preheat Time: 60-180 seconds

Solder Pot Temperature:

260

° C Maximum

Solder Dwell Time: 2-5 seconds

Recommended Hand-Solder Parameters:

230

Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.

Note: These devices are not recommended for IR or
Convection Reflow process.

Specifications are subject to change without notice.

© 2013 Littelfuse, Inc.

Revised: 12/19/13

Axial Lead & Cartridge Fuses

209 000P Series 209 000EP Series

4.5

(.177")

14.48
(.57")

14.48
(.57")

4.7 (.184")

.635

(.025")

38.1

(1.50") TYP.

Option Codes

Packaging Code

Quantity Code

Current Rating Code

Series

Blank = Cartridge Type Fuse
E = Axial Leaded Fuse

X = Loose Pack

M = 1000

Refer to Amp Code column of
Electrical Characteristics Table

0209 MX EPxxxx

Lead-free

2AG > Time Lag > 209 Series

Product Characteristics

Materials

Terminal Strength

Solderability

Product Marking

Dimensions

Body : Glass
Cap : Nickel–plated brass
Leads: Tin–plated Copper
MIL-STD-202G, Method 211A,
Test Condition A
Reference IEC 60127 Second Edition
2003-01 Annex A
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks

Operating
Temperature:

Thermal
Shock:

Vibration MIL-STD-202G, Method 201A
Humidity MIL-STD-202G, Method 103B, Test Condition

Salt Spray MIL-STD-202G, Method 101D, Test Condition B

–55ºC to 125ºC.

MIL-STD-202G, Method 107G, Test Condition B
(5 Cycles -65ºC to +125ºC).

A: High RH (95%) and elevated temp (40ºC)
for 240 hours

Part Numbering System

Packaging Option Packaging Specification Quantity

209 Series

Bulk N/A 1000 MX N/A
Bulk N/A 1000 MXE N/A

Reel and Tape EIA 296-E 1500 DRT1 T1=53mm (2.087”)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13

Quantity & Packaging

Code

Taping Width